The Online Job and Internship Portal System is a web-based application that facilitates job seekers to find suitable job opportunities, internships, and allows employers to post job and internship vacancies. It also includes an admin portal for managing job and internship listings, user accounts, and inquiries. The system is divided into several key modules, including user registration and login, job and internship application, and an admin portal for job and internship posting, user management, and inquiry handling.